Home / 2,259.67-3,131.48-2,215.93

Finding the Fourth Proportional to 2,259.67, 3,131.48 and 2,215.93

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Solution

The fourth proportional to 2,259.67, 3,131.48 and 2,215.93 is: 3,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.67 : 3,131.48 = 2,215.93 : x
  2. Step 2: Convert to fraction form
    2,259.67/3,131.48 = 2,215.93/x
  3. Step 3: Cross multiply
    2,259.67x = 3,131.48 × 2,215.93
  4. Step 4: Simplify right side
    2,259.67x = 6,939,140.48
  5. Step 5: Solve for x
    x = 6,939,140.48/2,259.67
  6. Step 6: Final answer
    x = 3,070.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.